> For the complete documentation index, see [llms.txt](https://docs.trymatrix.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trymatrix.xyz/account/profile.md).
# Profile
### Open Your Profile
Open  Home from the bottom navigation and tap the profile icon in the top-left corner.
The profile screen shows your account information and links to fees, transactions, security, notifications and other account settings.
### View Account Details
The top of the screen shows your avatar, username, email and Matrix Wallet address.
Tap the wallet address to copy it.
### Change Your Username
Tap your username or the  edit icon beside it.
Enter a username between 3 and 32 characters using letters, numbers or underscores, then tap Save.
### Change the Appearance
Tap the  sun or  moon icon at the top-right of the profile screen to switch between light and dark mode.
For additional appearance and color options, see [Settings](/account/settings.md).
### Get Support
Use the support options on the profile screen to:
* Rate Matrix in your device's app store
* Join the Matrix Telegram Community
* Open a support ticket in Telegram
### Sign Out
Tap Sign out at the bottom of the profile screen to end your current Matrix session and return to the sign-in screen.